Tried to register using the instruction below. But it states that “Excessive activations limit”. Is there any other way to register?:

The download link for All PDF Converter Pro is given to you above. Download and install All PDF Converter Pro. After install, run it and register it with the following:
Email:giveaway@sharewareonsale.com
SharewareOnSale exclusive license key:
f0f47fdd-d42e-4cd1-b8ab-97074d385ce8